Spiro®’s uniquely featured “Controlled corrugation unit” enables you to produce ducts with a smooth inside surface at the ends but still reinforced with the corrugation. The result is a duct with considerable less amount of leakage and maintained rigidity.
Spiral-Helix, Inc.
500 Industrial Drive
Bensenville, IL. 60106
USA
Tel.: 224-659-7870
E-Mail: info@spiral-helix.com
Office hours
Mon – Fri:
08.00 – 17.00h
Central Time
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